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TowerView LLC’s Castor Maritime CTRM Stock Holding History

TowerView LLC’s Portfolio CTRM Stock Details CTRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$444K Hold
240,000
– – 0.29% 14
2025
Q4 		$497K Hold
240,000
– – 0.36% 14
2025
Q3 		$499K Hold
240,000
– – 0.36% 14
2025
Q2 		$513K Hold
240,000
– – 0.37% 16
2025
Q1 		$547K Hold
240,000
– – 0.39% 17
2024
Q4 		$660K Buy
240,000
+227,500
+1,820% +$825K 0.47% 17
2024
Q3 		$52.8K Buy
+12,500
New +$57.8K 0.03% 25

Other funds holding CTRM

Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
AA
Apriem Advisors Irvine, California $1.05B AUM 22.09% 1-Year Est. Return
CC
Centiva Capital New York $13.6B AUM 20% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
AF
Allworth Financial Folsom, California $24.7B AUM 15.55% 1-Year Est. Return

TowerView LLC's CTRM Position: Q1 2026 in Review

TowerView LLC held its Castor Maritime (CTRM) position steady in Q1 2026 at 240,000 shares worth $444K. The position accounts for 0.29% of the portfolio, ranked #14.

TowerView LLC first reported a position in CTRM in Q3 2024 and has held it in 7 quarters since. The position peaked at $660K in Q4 2024. 19 funds tracked by Wall St. Rank hold CTRM as of Q1 2026.

  • TowerView LLC held 240,000 shares of Castor Maritime worth $444K as of Q1 2026.
  • TowerView LLC left its Castor Maritime share count unchanged in Q1 2026.
  • Castor Maritime made up 0.29% of TowerView LLC's portfolio in Q1 2026, its #14 holding.
  • TowerView LLC first reported a position in Castor Maritime in Q3 2024 and has held it in 7 quarters since.
  • TowerView LLC's Castor Maritime position peaked at $660K in Q4 2024.
  • 19 funds tracked by Wall St. Rank held Castor Maritime as of Q1 2026.

Based on TowerView LLC's 13F filing for Q1 2026, filed 5 May 2026.